Finding the Fourth Proportional to 2,382.79, 3,574.16 and 976.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,382.79 : 3,574.16 = 976.89 : x
2. Step 2: Convert to fraction form
   2,382.79/3,574.16 = 976.89/x
3. Step 3: Cross multiply
   2,382.79x = 3,574.16 × 976.89
4. Step 4: Simplify right side
   2,382.79x = 3,491,562.37
5. Step 5: Solve for x
   x = 3,491,562.37/2,382.79
6. Step 6: Final answer
   x = 1,465.33